He endeavored to defend state sovereignty, prevent foreigners from building roads cross national boundary and declined the foreign settlement authority to join in Huangpu River Dredging Project.

• 并试图概述、概评袁树勋复杂的一生：他努力维护国家主权，阻止洋人越界筑路，拒绝租界当局参与黄埔江疏浚工程。